Eng: To maintain

維持

Guard, Guarded, Guarding, Guards, Keep, Keeping, Keeps, Kept, Maintain, Maintained, Maintaining, Maintains, Preserve, Preserved, Preserves, Preserving, Support, Supported, Supporting, Supports, Sustain, Sustained, Sustaining, Sustains, To guard, To keep, To maintain, To preserve, To support, To sustain

保持

Held, Hold, Holding, Holds, Keep, Keeping, Keeps, Kept, Maintain, Maintained, Maintaining, Maintains, Remain, Remained, Remaining, Remains, To hold, To keep, To maintain, To remain